The Wire Glass Collection offers a distinctive look of artisan glass that is mouth-blown into black wire cages. Base Finish Brushed Nickel Made of Metal Shade Finish Grid with Clear Bubbles Shade Made of Wire Cage with Blown Glass Shade Shape Cylinder with Flat Rim 1 100W Incandescent Bulb s Bulb s Not Included Voltage 120V This fixture can be installed as an uplight or downlight Recommend the use of clear bulbs Style Contemporary/Transitional Family Atlas Part of the Wire Glass Collection Backplate Mounting Center For Use in Damp Locations Overall Dimensions 5 W x 8 H Extension 5.75 Please note that this product is designed for use in the United States only 110 volt wiring , and may not work properly outside of the United States.